Robtex

Up: 192.169.64.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 192.169.72.0/22
Down right: 192.169.76.0/22

IP	Type	Hostname
192.169.72.0	PTR	infra-0.192-169-72.monsterbroadband.com
192.169.72.1	A	bar-vl105.rmt.ru
192.169.72.20	A	ns2.mbbnoc.us
192.169.72.21	A	rdns1.mbbnoc.us
192.169.72.22	A	rdns2.mbbnoc.us
192.169.72.28	A	igiles.net
192.169.72.58	PTR	hart.infra.monsterbroadband.com
192.169.72.138	PTR	wytm.infra.monsterbroadband.com
192.169.72.176	PTR	infra-176.192-169-72.monsterbroadband.com
192.169.73.1	PTR	client-192169731.main.lnbgtn.monsterbroadband.com
192.169.73.1	A	kuzminki-vl111.rmt.ru
192.169.75.1	A	chehov-vl103.rmt.ru
192.169.75.178	PTR	client-19216975178.rodney.lnbgtn.monsterbroadband.com
192.169.76.1	PTR	client-192169761.lexie.lnbgtn.monsterbroadband.com
192.169.76.51	PTR	client-1921697651.lexie.lnbgtn.monsterbroadband.com
192.169.76.219	PTR	client-19216976219.childress.lnbgtn.monsterbroadband.com
192.169.77.1	PTR	client-192169771.blanche.lnbgtn.monsterbroadband.com
192.169.77.235	PTR	client-19216977235.normandy.lnbgtn.monsterbroadband.com
192.169.78.1	PTR	client-192169781.bushybranch.lnbgtn.monsterbroadband.com
192.169.78.179	PTR	client-19216978179.lnbgtn.monsterbroadband.com
192.169.79.242	PTR	client-19216979242.lnbgtn.monsterbroadband.com